Home / Health & personal care / Water flossers / Compare
Philips Sonicare Cordless Power Flosser 3000 vs Waterpik Aquarius WP-660 vs Waterpik ION
The Waterpik Aquarius WP-660 edges it for most homes.
The verdict in 10 seconds
The Philips Sonicare Cordless Power Flosser 3000 suits you if
- You have sensitive gums and want gentle cleaning
- You wear braces or other dental hardware
- You want a light, compact flosser for a small bathroom
Skip it if
- Long-term durability is your top concern
- You want a waterproof flosser for use in the shower
- You want a big tank that lasts a full, unhurried session
The Waterpik Aquarius WP-660 suits you if
- You wear braces or have implants, bridges, crowns or gum pockets
- Your gums are sensitive and you want fine control over pressure
- Several people in your home will share one flosser
Skip it if
- You want something cordless for the shower or for travel
- Your counter space near an outlet is very tight
- You have little patience for a splashy learning curve
The Waterpik ION suits you if
- You don't have an outlet near your bathroom sink
- You want a deep, dentist-fresh clean and like having lots of pressure choices
- You have braces, implants, or dentures and need specialty tips
Skip it if
- You're sensitive to noise or share a bathroom with light sleepers
- You want something small enough to toss in a travel bag
- You'd rather avoid a splashy learning curve at the sink
So, which one?
The Waterpik Aquarius WP-660 is the stronger all-rounder of the three. The Philips Sonicare Cordless Power Flosser 3000 is still the better fit if you have sensitive gums and want gentle cleaning. The Waterpik ION is still the better fit if you don't have an outlet near your bathroom sink.
We researched 13 expert reviews, analyzed 14,967 owner ratings and comments across 14 sources for the three, and cross-checked them into one verdict, so you don't have to.
Show me the receipts
The scoreboardProduct Review score 62 vs 77 vs 70 · reliability 48 vs 67 vs 58
| Philips Sonicare Cordless Power Flosser 3000 | Waterpik Aquarius WP-660 | Waterpik ION | |
|---|---|---|---|
| Product Review score | 62 | 77 | 70 |
| Experts | 63 | 92 | 75 |
| Owners | 67 | 68 | 71 |
| Reliability | 48 | 67 | 58 |
| Report problems | 21% | 13% | 17% |
| Evidence | 3 reviews · 455 comments | 5 reviews · 97 comments | 5 reviews · 143 comments |
| Typical price | $70–$95 | $69–$100 | $90–$100 |
● marks the better number on each row.
Experts vs ownersExperts 63 vs 92 vs 75 · Owners 67 vs 68 vs 71
Philips Sonicare Cordless Power Flosser 3000
Waterpik Aquarius WP-660
Waterpik ION
How we reached each verdictThe numbers behind each model's score
Philips Sonicare Cordless Power Flosser 3000
Our research combined 3 hands-on expert evaluations with 429 first-hand owner reports, and cleaning is the clear strength: 42% of owners praise how well it cleans and 24% call it easy to use. Reliability is the weak point, scoring 48 out of 100, with 21% of owner comments mentioning failures and 17% specifically saying the unit broke or died. We analyzed 2,062 star ratings, and 11% were 1-star, which is consistent with those durability complaints. The expert evidence is thin: none of the 3 sources published a score we could analyze, and all 3 preferred a Waterpik model overall.
Waterpik Aquarius WP-660
Expert support is strong: all 5 sources we analyzed name the Aquarius a top pick, and 4 of them used it hands-on, citing its 10 pressure settings, 22-ounce tank and specialty tips. Owners are cooler, with a community score of 68 against an expert score of 92; across 97 owner comments (38 first-hand), 15% describe it as messy, while 14% praise how well it cleans. Reliability scores 67, with 13% of comments mentioning failures and 5% saying a unit broke or died. Confidence is low: only one source published a score and we found no retail star ratings to cross-check owner sentiment.
Waterpik ION
Our research covered 5 hands-on expert evaluations, and 4 of 5 named the ION a best overall or top pick, citing thorough cleaning, a cord-free charging base and a large tank. Noise is the clearest weak spot: 3 of 5 experts flagged it as loud, and one dismissed it entirely for being overwhelmingly loud. Among 143 owner comments, 20% praise its cleaning, while 14% call it messy, 7% find it too strong and 7% say it broke or died. Overall, failure mentions reach 17%, and our reliability score of 58 rests on limited long-term data, so durability evidence is thinner than performance evidence. It holds a 4.1-star average across about 7,300 Amazon ratings.
Where each one falls shortThe most common complaints
Philips Sonicare Cordless Power Flosser 3000
- 17% of owners report the unit broke or died
- Can be messy, and the small tank runs out quickly
- Power button is easy to press by accident
Waterpik Aquarius WP-660
- Messy, with water spraying around the sink
- Bulky corded unit that takes up counter space
- Pressure can feel too strong, plus some reports of units dying
Waterpik ION
- Very loud during use
- Messy, with splashing and drooling
- Some units break or have battery problems
Questions people actually ask
Which is better, the Philips Sonicare Cordless Power Flosser 3000 or the Waterpik Aquarius WP-660 or the Waterpik ION?
The Waterpik Aquarius WP-660, for most homes. The Philips Sonicare Cordless Power Flosser 3000 is the better fit if you have sensitive gums and want gentle cleaning. The Waterpik ION is the better fit if you don't have an outlet near your bathroom sink.
Based on: Product Review score 62 vs 77 vs 70.Which is more reliable?
The Waterpik Aquarius WP-660. It's the least likely of the three to give you trouble.
Based on: Reliability 48 vs 67 vs 58; problems mentioned by 21% vs 13% vs 17% of owners.Which is easier to live with day to day?
It's a draw. Day to day, the three are about as satisfying.
Based on: Owners score 67 vs 68 vs 71, from ratings and comments.Which is cheaper?
The Waterpik Aquarius WP-660 usually costs less.
Based on: Typical prices: Philips Sonicare Cordless Power Flosser 3000 $70–$95; Waterpik Aquarius WP-660 $69–$100; Waterpik ION $90–$100.As an Amazon Associate we earn from qualifying purchases. It never changes a score.